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Yong C. Zheng
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New York, NY, US
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last 30 patents
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Patent Grant
Acetal copolymers with backbone epoxide functional groups
Patent number
5,034,499
Issue date
Jul 23, 1991
Hoechst Celanese Corp.
Nan-Loh Yang
C07 - ORGANIC CHEMISTRY
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Patent Grant
Novel polyacetal copolymers of trioxane and trimethylolpropane form...
Patent number
5,004,798
Issue date
Apr 2, 1991
Hoechst Celanese Corporation
Jerry A. Broussard
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...